Identifiers
| WikiData URI | http://www.wikidata.org/entity/Q1692234 |
| RKDartists | https://rkd.nl/explore/artists/44686 |
| Amsterdam Museum | http://hdl.handle.net/11259/people.29501 |
| VIAF | http://viaf.org/viaf/22415065 |
| Adamlink URI | https://adamlink.nl/person/klein-johann-adam/4432 |
